GeForce GTS 450 vs Radeon R9 270 1024SP

VS

NVIDIA GeForce GTS 450

AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce GTS 450 Advantages

Lower TDP (106W vs 150W)

Radeon R9 270 1024SP Advantages

Released 4 years and 6 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 57.73GB/s)

832 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

601

Radeon R9 270 1024SP +215%

1894

GeForce GTS 450

VS

Radeon R9 270 1024SP

Graphics Card

Sep 2010

Release Date

Mar 2015

GeForce 400

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

902 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

16

4

SM Count

-

192

Shading Units

1024

32

TMUs

64

16

ROPs

32

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.264 GPixel/s

Pixel Rate

29.60 GPixel/s

25.06 GTexel/s

Texture Rate

59.20 GTexel/s

601.3 GFLOPS

FP32 (float)

1.894 TFLOPS

50.11 GFLOPS

FP64 (double)

118.4 GFLOPS

Board Design

106W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI
1x mini-HDMI 1.3a

Outputs

2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GF106

GPU Name

Pitcairn

GF106-250-KA-A1

GPU Variant

Pitcairn PRO

(215-0828062)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.8 billion

238 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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